<form action="/upload/debug" method="post" enctype="multipart/form-data">
    <h2>文件上传debug</h2>
    <input type="file" name="upload_file">
    <input type="submit" value="提交">
</form>

<form action="/upload/save" method="post" enctype="multipart/form-data">
    <h2>文件上传save</h2>
    <input type="file" name="upload_file">
    <input type="submit" value="提交">
</form>